:root{--client-teal:#126f78;--client-deep:#17363d;--client-soft:#eef5f5;--client-line:#d9e6e7}
.client-v11{background:#f4f7f7;color:var(--client-deep)}
.client-login-body{min-height:100vh;background:linear-gradient(135deg,#edf5f4 0%,#f8faf9 48%,#e5f0ef 100%);padding:28px;display:grid;place-items:center}
.client-login-body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 12% 20%,rgba(18,111,120,.12),transparent 28%),radial-gradient(circle at 88% 82%,rgba(241,112,36,.08),transparent 26%);pointer-events:none}
.client-login{position:relative;width:min(100%,500px)}
.client-login-card{background:#fff;border:1px solid var(--client-line);border-radius:24px;padding:38px;box-shadow:0 24px 70px rgba(26,62,68,.12);text-align:left}
.client-login-card>img{display:block;width:82px;height:82px;object-fit:contain;margin:0 auto 20px;border-radius:18px}
.client-login-card>.eyebrow,.client-login-card>h1,.client-login-card>p{text-align:center;display:block}
.client-login-card h1{font-size:34px;margin:7px 0 10px;color:var(--client-deep)}
.client-login-card>p{color:#61767b;margin:0 auto 24px;max-width:390px}
.client-login-card label{display:block;font-weight:750;margin:15px 0 0}
.client-login-card input{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #c9d8da;border-radius:11px;font:inherit;background:#fff}
.client-login-card input:focus{outline:3px solid rgba(18,111,120,.14);border-color:var(--client-teal)}
.client-login-card .btn{margin-top:20px;width:100%;justify-content:center}
.client-login-links{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;padding-top:18px;border-top:1px solid #e5eded}
.client-login-links a{color:var(--client-teal);font-weight:700;font-size:14px;text-decoration:none}
.login-alert{position:fixed;z-index:5;top:18px;left:50%;transform:translateX(-50%);width:min(92%,560px);box-shadow:0 12px 30px rgba(0,0,0,.1)}
.client-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--client-line)}
.client-nav{min-height:76px;display:flex;align-items:center;gap:22px}
.client-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--client-deep);margin-right:auto}
.client-brand img{width:48px;height:48px;object-fit:contain;border-radius:12px}.client-brand span{display:flex;flex-direction:column;line-height:1.1}.client-brand small{font-size:11px;color:#718388;margin-top:4px;text-transform:uppercase;letter-spacing:.09em}
.client-nav nav{display:flex;align-items:center;gap:5px}.client-nav nav a{padding:9px 11px;border-radius:9px;text-decoration:none;color:#52686d;font-weight:700;font-size:14px}.client-nav nav a:hover,.client-nav nav a.active{background:var(--client-soft);color:var(--client-teal)}
.client-main{padding:34px 0 70px}.client-main .container{max-width:1160px}
.client-model-choice{display:grid;grid-template-columns:230px 1fr;gap:22px;align-items:center;background:linear-gradient(135deg,#173f46,#126f78);color:#fff;border-radius:20px;overflow:hidden;margin:0 0 26px;box-shadow:0 15px 42px rgba(23,63,70,.16)}
.client-model-choice img{width:100%;height:170px;object-fit:cover}.client-model-choice .copy{padding:22px 24px 22px 0}.client-model-choice h2{color:#fff;margin:4px 0 7px}.client-model-choice p{color:#dceced;margin:0 0 14px}.client-model-choice a{color:#fff;font-weight:800}
@media(max-width:860px){.client-nav{padding:10px 18px;flex-wrap:wrap}.client-nav nav{order:3;width:100%;overflow-x:auto;padding-bottom:5px}.client-nav nav a{white-space:nowrap}.client-brand span{display:none}.client-main{padding-top:22px}.client-model-choice{grid-template-columns:1fr}.client-model-choice img{height:210px}.client-model-choice .copy{padding:0 22px 24px}}
@media(max-width:520px){.client-login-body{padding:14px}.client-login-card{padding:27px 20px;border-radius:20px}.client-login-card h1{font-size:29px}.client-login-links{flex-direction:column;text-align:center}.client-nav form .btn{padding:9px 10px}.client-nav nav{gap:2px}.client-nav nav a{font-size:13px;padding:8px 9px}}

/* Authentification client V12 — inscription autonome et OTP */
.auth-v12-card{width:min(100%,540px);margin:auto}.auth-brand{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--client-deep);font-weight:850;text-decoration:none;margin-bottom:18px}.auth-brand img{width:58px;height:58px;object-fit:contain;border-radius:14px}.auth-brand span{font-size:18px}.auth-v12-card>.auth-brand~.eyebrow{margin-top:4px}.auth-v12-card fieldset{border:0;padding:0;margin:16px 0 4px}.auth-v12-card legend{font-weight:800;margin-bottom:8px}.auth-channel{display:grid;grid-template-columns:1fr 1fr;gap:10px}.auth-channel legend{grid-column:1/-1}.auth-channel label{margin:0;position:relative}.auth-channel input{position:absolute;opacity:0;pointer-events:none}.auth-channel span{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid #c8d9da;border-radius:12px;background:#fff;color:#496168;font-weight:800;cursor:pointer}.auth-channel input:checked+span{border-color:var(--client-teal);background:#eaf5f5;color:var(--client-teal);box-shadow:0 0 0 3px rgba(18,111,120,.1)}.auth-channel .disabled span{opacity:.5;cursor:not-allowed}.auth-inline{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.auth-inline a,.auth-create a{color:var(--client-teal);font-weight:800;text-decoration:none}.auth-create{display:grid;gap:9px;text-align:center;margin-top:22px;padding-top:20px;border-top:1px solid #e5eded}.auth-check{display:flex!important;align-items:flex-start;gap:9px;font-weight:600!important}.auth-check input{width:auto!important;margin-top:3px!important;flex:none}.auth-check span{line-height:1.45}.auth-check a{color:var(--client-teal)}.password-meter{font-size:13px;color:#667b80;background:#f2f6f6;border-radius:9px;padding:10px 12px;margin-top:10px}.password-meter.ok{color:#0b6e4f;background:#e8f7f0;font-weight:750}.otp-label{text-align:center!important}.otp-input{text-align:center;font-size:30px!important;font-weight:850;letter-spacing:10px;font-variant-numeric:tabular-nums}.resend-form{text-align:center;margin-top:15px}.resend-form .link-btn{color:var(--client-teal);font-weight:800;background:none;border:0}.security-note{margin-top:18px;padding:12px 14px;border-radius:10px;background:#fff6ec;color:#76502f;font-size:13px;line-height:1.45}.hp-field{position:absolute!important;left:-99999px!important;width:1px!important;height:1px!important;overflow:hidden!important}.client-auth-v12 .alert{border-radius:12px}.verify-card strong{color:var(--client-deep)}
@media(max-width:520px){.auth-channel{grid-template-columns:1fr}.auth-channel legend{grid-column:auto}.otp-input{font-size:26px!important;letter-spacing:7px}.auth-brand img{width:50px;height:50px}}

/* Portail multi-projets V13 */
.portal-welcome{display:flex;align-items:center;justify-content:space-between;gap:28px;background:linear-gradient(125deg,#143e45,#167a84 62%,#23929b);padding:30px 32px;border-radius:22px;color:#fff;margin-bottom:16px;box-shadow:0 14px 36px rgba(19,68,76,.14)}
.portal-welcome h1{font-size:38px;line-height:1.08;color:#fff;margin:8px 0}.portal-welcome p{margin:0;color:#d8ecee}.welcome-actions{display:grid;justify-items:end;gap:9px;flex:none}.btn-light{background:#fff!important;color:#155d66!important}.client-mode{padding:7px 11px;border:1px solid rgba(255,255,255,.32);border-radius:999px;color:#fff;text-decoration:none;font-size:12px;font-weight:800}
.portal-stats{margin:0 0 16px}.portal-stats>div{display:grid;gap:2px}.portal-stats small{font-size:10px;color:#819196}.projects-overview{padding:24px}.projects-overview .section-head h2{margin:4px 0 0}.project-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.project-card{overflow:hidden;border:1px solid var(--client-line);border-radius:17px;background:#fff;color:var(--client-deep);text-decoration:none;transition:.18s}.project-card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(20,70,77,.09);border-color:#afd2d5}.project-card-cover{min-height:78px;padding:13px;display:flex;justify-content:space-between;align-items:flex-start;background:linear-gradient(120deg,#e7f3f3,#d5e9ea);background-position:center;background-size:cover}.project-card-cover span,.project-card-cover b{padding:5px 8px;border-radius:999px;background:rgba(18,57,64,.86);color:#fff;font-size:10px}.project-card-cover b{background:rgba(255,255,255,.92);color:#24545c}.project-card-body{padding:18px}.project-card-body h3{margin:0 0 5px;font-size:20px}.project-card-body>p{height:40px;margin:0 0 14px;color:#6d7e82;font-size:13px;overflow:hidden}.project-progress-label{display:flex;justify-content:space-between;font-size:11px;margin-bottom:6px}.project-card-meta{display:flex;justify-content:space-between;gap:12px;margin-top:10px;color:#73868b;font-size:10px}.project-card-meta em{font-style:normal;color:#0f7280;font-weight:850}.next-step{display:grid;gap:2px;margin-top:13px;padding:10px;border-radius:10px;background:#f1f7f7}.next-step small{font-size:9px;color:#71858a;text-transform:uppercase;font-weight:850}.next-step strong{font-size:11px}.portal-empty{grid-column:1/-1;display:grid;place-items:center;text-align:center;gap:8px;min-height:210px;padding:28px;border:1px dashed #bdd2d4;border-radius:16px;background:#f9fbfb}.portal-empty strong{font-size:18px}.portal-empty p{margin:0 0 6px;color:#718287}.portal-two-columns{align-items:start}.compact-section{margin-top:16px}.section-head p{margin:3px 0 0;color:#75858a;font-size:12px}
.project-detail-hero{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:center;margin:14px 0 16px;padding:32px;border-radius:23px;background:linear-gradient(125deg,#143e45,#177b85);color:#fff}.project-detail-copy h1{margin:7px 0;font-size:35px;color:#fff}.project-detail-copy>p{color:#d4e8ea;max-width:700px}.project-team-pill{display:inline-flex;gap:8px;align-items:center;margin-top:13px;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.1);font-size:11px}.project-team-pill span{color:#c7dee1}.project-progress-panel{padding:20px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(255,255,255,.08)}.project-progress-panel>strong{display:block;font-size:44px;line-height:1}.project-progress-panel>span,.project-progress-panel>small{display:block;color:#d1e5e7;font-size:11px}.project-progress-panel .progress{margin:11px 0;background:rgba(255,255,255,.2)}.project-progress-panel .progress i{background:#fff}
.project-focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}.project-focus-grid article{display:grid;gap:5px;padding:16px 18px;border:1px solid var(--client-line);border-radius:14px;background:#fff}.project-focus-grid article.attention{border-color:#efc8ad;background:#fff8f2}.project-focus-grid small{font-size:9px;color:#75888c;text-transform:uppercase;font-weight:850}.project-focus-grid strong{font-size:12px}.project-anchor-nav{position:sticky;top:78px;z-index:20;display:flex;gap:5px;overflow:auto;margin:0 0 16px;padding:8px;border:1px solid var(--client-line);border-radius:13px;background:rgba(255,255,255,.96);box-shadow:0 6px 20px rgba(23,63,70,.05)}.project-anchor-nav a{white-space:nowrap;padding:8px 11px;border-radius:8px;color:#466167;text-decoration:none;font-size:11px;font-weight:800}.project-anchor-nav a:hover{background:var(--client-soft);color:var(--client-teal)}
.phase-track{display:grid}.phase-track article{position:relative;display:grid;grid-template-columns:22px 1fr auto;gap:12px;padding:0 0 22px}.phase-track article>span{position:relative;width:17px;height:17px;border:3px solid #cfdddd;border-radius:50%;background:#fff}.phase-track article:not(:last-child)>span:after{content:"";position:absolute;top:15px;left:4px;width:3px;height:38px;background:#dce7e8}.phase-track article.active>span,.phase-track article.done>span{border-color:#17828d}.phase-track article.done>span{background:#17828d}.phase-track article.done>span:after{background:#17828d}.phase-track article div{display:grid;gap:2px}.phase-track article strong{font-size:13px}.phase-track article small{font-size:10px;color:#6f8286}.phase-track article p{margin:4px 0 0;font-size:11px}.phase-track article b{font-size:12px;color:#23737c}
.project-update-feed{display:grid;gap:15px}.project-update-card{padding:20px;border:1px solid #dce7e8;border-radius:16px;background:#fbfdfd}.project-update-card>header{display:flex;justify-content:space-between;gap:20px}.project-update-card header div{display:grid;gap:2px}.project-update-card time,.project-update-card header small{font-size:9px;color:#7a8c90}.project-update-card h3{margin:2px 0;font-size:19px}.project-update-card header>strong{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;background:#e4f2f3;color:#126f78;font-size:14px}.project-update-card>p{color:#4e6267}.update-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0}.update-metrics span{display:grid;gap:2px;padding:10px;border-radius:10px;background:#eaf3f4}.update-metrics small{font-size:9px;color:#70858a}.update-metrics strong{font-size:12px}.client-action-callout{display:grid;gap:2px;margin:12px 0;padding:11px 13px;border-left:4px solid #ef7a2e;border-radius:8px;background:#fff4ec}.client-action-callout strong{font-size:11px}.client-action-callout span{font-size:11px}.feedback-form{margin-top:16px;padding-top:13px;border-top:1px solid #e1e9ea}.reaction-options{display:flex;gap:7px;flex-wrap:wrap}.reaction-options label{margin:0}.reaction-options input{position:absolute;opacity:0}.reaction-options span{display:block;padding:7px 9px;border:1px solid #d2dfe0;border-radius:999px;background:#fff;color:#587075;font-size:10px;font-weight:750;cursor:pointer}.reaction-options input:checked+span{border-color:#187b85;background:#e5f2f3;color:#146f78}.feedback-comment{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:9px}.feedback-comment input{min-height:38px;border:1px solid #cfdddf;border-radius:9px;padding:8px 10px}
.live-badge{padding:6px 9px;border-radius:999px;background:#e7f5ee;color:#16724d;font-size:9px;font-weight:850}.project-media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.project-media-grid a{position:relative;overflow:hidden;min-height:190px;border-radius:13px;background:#e6eeee}.project-media-grid img{display:block;width:100%;height:210px;object-fit:cover;transition:.2s}.project-media-grid a:hover img{transform:scale(1.02)}.project-media-grid span{position:absolute;left:8px;right:8px;bottom:8px;padding:8px 9px;border-radius:8px;background:rgba(16,48,54,.82);color:#fff;font-size:10px}.project-video{display:grid;gap:8px;margin:12px 0}.project-video video{width:100%;max-height:540px;border-radius:14px;background:#0b1c20}.project-video strong{font-size:12px}.document-list{margin-top:14px}.financial-summary{margin-top:14px;padding-top:12px;border-top:1px solid #e2eaea}.financial-summary span{display:flex;justify-content:space-between;font-size:11px}.financial-summary strong{font-size:13px}
.communication-hub{scroll-margin-top:155px}.conversation{display:grid;gap:9px;margin:12px 0 18px}.conversation article{display:grid;gap:3px;max-width:78%;padding:12px 14px;border-radius:14px}.conversation article.from-client{justify-self:end;background:#126f78;color:#fff;border-bottom-right-radius:4px}.conversation article.from-staff{justify-self:start;background:#edf4f4;border-bottom-left-radius:4px}.conversation article small{font-size:9px;opacity:.75}.conversation article strong{font-size:11px}.conversation article p{margin:2px 0;font-size:12px}.conversation article a{font-size:10px;font-weight:800;color:inherit}.conversation-empty{padding:18px;border-radius:12px;background:#f5f8f8;text-align:center}.project-message-form{padding-top:15px;border-top:1px solid #e0e9ea}.project-message-form label{display:grid;gap:6px;font-weight:750}.project-message-form textarea{width:100%;border:1px solid #cbdadd;border-radius:11px;padding:12px;font:inherit}.project-message-form>div{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:9px}.file-input{font-size:10px!important}.file-input input{font-weight:400}.global-conversation{max-height:720px;overflow:auto;padding-right:5px}.conversation article em{font-size:9px;opacity:.75}.request-intro{text-align:center;background:linear-gradient(135deg,#eef6f6,#fff)}.request-intro h1{margin:6px 0;font-size:34px}.smart-request-form{max-width:900px;margin:16px auto}.smart-request-form label{display:grid;gap:7px;font-weight:750}.smart-request-form input,.smart-request-form select,.smart-request-form textarea{width:100%;padding:11px 12px;border:1px solid #cbdadd;border-radius:10px;font:inherit}.smart-request-form label small{font-weight:400;color:#718589}
@media(max-width:900px){.project-card-grid{grid-template-columns:1fr}.project-detail-hero{grid-template-columns:1fr}.project-progress-panel{max-width:none}.project-focus-grid{grid-template-columns:1fr}.project-media-grid{grid-template-columns:repeat(2,1fr)}.project-anchor-nav{top:116px}.update-metrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.portal-welcome{display:grid;padding:24px}.portal-welcome h1{font-size:31px}.welcome-actions{justify-items:start}.project-detail-hero{padding:24px}.project-detail-copy h1{font-size:29px}.project-progress-panel>strong{font-size:38px}.project-media-grid{grid-template-columns:1fr}.project-media-grid a{min-height:160px}.project-media-grid img{height:190px}.feedback-comment{grid-template-columns:1fr}.feedback-comment .btn{width:100%}.conversation article{max-width:92%}.project-message-form>div{display:grid}.project-message-form .btn{width:100%}.project-anchor-nav{top:137px}.update-metrics{grid-template-columns:1fr}.request-intro h1{font-size:28px}}
.client-login-status{margin:2px 0 12px;padding:10px 12px;border-radius:10px;background:#edf8f8;color:#0f6770;font-size:.9rem;font-weight:700;text-align:center}.client-login-card [data-login-submit]:disabled{cursor:wait;opacity:.8}.client-login-card [data-login-error]{margin:2px 0 12px}

/* Gouvernance des projets V15 */
.project-lifecycle-client{border-left:4px solid var(--client-teal)}.project-lifecycle-client form{margin-top:14px;padding:15px;border-radius:13px;background:#f3f8f8}.project-lifecycle-client textarea{width:100%;border:1px solid #cbdadd;border-radius:11px;padding:12px;font:inherit}.lifecycle-client-row{align-items:flex-start}.lifecycle-client-row span{max-width:82%}.lifecycle-client-row p{margin:5px 0;font-size:12px;font-weight:400}.lifecycle-client-row>b{padding:5px 8px;border-radius:999px;background:#e7f2f3;color:#126f78;font-size:10px}